2005 Chevrolet Trailblazer EXT 370

Above average

Owners filed 237 complaints about this vehicle with federal regulators, most often about the electrical system. No safety recall has been issued.

When it fails
020k40k60k90k120k200k

199 complaints record an odometer reading. Failures cluster around 60,00075,000 miles; the median is 70,000 miles.

What fails
ComponentReportsCrashesFiresInjuries
Fuel System, Gasoline61
001
Electrical System61
100
Electrical System › Instrument Cluster/Panel31
000
Fuel/Propulsion System7
000
Fuel System, Other7
000
Vehicle Speed Control5
000
Exterior Lighting5
000
Engine4
000
Air Bags4
305
Visibility3
000

What owners reported

Newest filings
Engine
Filed Dec 29, 2019109,000 milesIN

STOP IT STARTS JERKING AND CHECK ENGINE LIGHT FLASHS HEAD WENT BAD AT 109 THOSAND MILES

Electrical System
Filed Oct 12, 2018OH

THE WHOLE INSTRUMENT CLUSTER DOES NOT WORK ANYMORE, DOES NOT LET ME KNOW HOW FAST I'M GOING OR HOW MUCH FUEL I HAVE, OIL PRESSURE GAUGE DOESN'T WORK, TEMPERATURE GAUGE DOESN'T WORK... WHY HASN'T THIS BEEN RECALLED? THIS IS VERY DANGEROUS, CONSIDERING I HAVE 4 KIDS THAT ARE CONSTANTLY IN THE CAR WITH ME AND I HAVE NO IDEA WHAT IS GOING ON WITH MY VEHICLE?? AND IT ALSO TELLS ME THAT MY FUEL LEVEL IS LOW, EVEN AFTER I FILL MY TANK. THIS SEEMS LIKE A VERY COMMON PROBLEM IN THESE VEHICLES, WHY HAS IT NOT BEEN CONSIDERED A SAFETY ISSUE????

Electrical System
Filed Jun 8, 201881,000 milesVA

I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR A CAM SENSOR, A TEMP SENSOR 4 POWER STEERING PUMPS NEW THE POWER STEERING RACK AND ASSEMBLY WHEEL HUBS AND BEARINGS, ALL NEW COILS SPARK PLUGS, BELT IDLE PULLEY POWER STEERING PULLEY CHANGE OIL EVERY 3,000 MILES AIR FILTER CHANGE BATTERY, UPDATED SOFT WARE, FLUSH FUEL SYSTEM, SERVICE THE AIR CONDITION REPLACED REAR SHOCKS, GM RELACED PULLEY ON ENGINE 2010 REPLACED THE PVC HOSE FLUSH RADIATOR AND BRAKE SYSTEM, ROTATION AND ALIGNMENT DONE EVERY 5000 MILES, REPLACED HEADLIGHT LOW BEAM BULBS AND LEFT TAIL LIGHT ASSEMBLY AND LENS, I HAD IT TO CHEVROLET PRIVATE MECHANIC GARAGE AND NOTHING IS READING WRONG ALSO NOTICE THE ECM NOT STORING THE SERVICE ENGINE LIGHT STAY A MICROSECOND ON. THIS HIGHLY DANGEROUS CAN STAL OR QUIT AND BE RUN OVER ON HIGHWAY. I NOTICED ON THE WEB ON CARS COMPLAINT.COM AMANY PEOPLE HAVE CMPLAINTED THIS ISSUE.CHEVROLET HAD INVESTIGATED THS ISSUE AAAAAND NO RESOLVE. I FELT THE VEHIHICLE MAY HAVE A SHORT R A BAD ALTERNATOR OR STARTER. .VEHIVLE WAS SITTING AT INTERSECTION I NOTICED I

Fuel/Propulsion System
Filed Oct 24, 2017KS

I BOUGHT 2005 CHEVROLET TRAILBLAZER AND THE FUEL GAUGE IS DEFECTIVE. IT IS CRAZY TO HEAR BEEP SOUNDING ALL THE TIME TELLING ME THE GAUGE IS EMPTY WHEN I KNOW FOR SURE IS NOT. I WISH IT COULD BE FIXED, BECAUSE I HAVE MANY OTHERS THINGS IN MY PLATE THAT NEED TO WORRY, I REALLY DON'T NEED ANOTHER ONE.

Exterior Lighting
Filed Sep 9, 2017121,000 milesPA

DRIVING 6 PEOPLE TO PITTSBURGH INTERNATIONAL AIRPORT AT 3 AM 8/5/17 ON THE PARKWAY TO CATCH A FLIGHT FOR A VACATION WHEN NOTICED LOW BEAM HEADLIGHTS WERE NOT WORKING. DO NOT KNOW HOW LONG I WAS DRIVING BEFORE THIS WAS NOTICED. LOW BEAMS WORKED THE EVENING OF 8/12/17 @ 10 PM AFTER RETURNING TO PITTSBURGH AIRPORT AND DRIVING HOME. LOW BEAMS DID NOT WORK AGAIN ON THE EVENING OF 8/24/17 WHEN DRIVING HOME FROM A BASEBALL GAME. REPAIRS WERE COMPLETED 9/1/17 BY NICK CHEVROLET IN TARENTUM, PA. I HAD ASKED BEFORE AND AFTER THE REPAIRS WHETHER THIS WOULD BE COVERED UNDER RECALL BUT WAS TOLD NO BECAUSE MY VIN NUMBER WAS NOT A PART OF THE RECALL FOR THIS ISSUE. THEY MADE IT SEEM LIKE THIS WAS A SEPARATE ISSUE FROM THE KNOWN LOW BEAM ISSUE RECALL OF OTHER CHEVY MODELS. I ALSO CALLED THE GM CUSTOMER SERVICE LINE TO SEE IF I COULD GET REIMBURSED FOR THIS ISSUE BUT WAS TOLD THE SAME THING; THAT MY VIN NUMBER WAS NOT A PART OF THE RECALL AND IT IS BASED ON WHAT FACTORY THE CAR WAS MADE AT? THE PART NUMBER USED WAS 15016745 WHICH UPON LOOKING ON THE INTERNET IS A REPLACEMENT PART FOR THE OTHER VEHICLES COVERED UNDER THE RECALL. I DO NOT UNDERSTAND HOW THE SAME ISSUE CAN BE PART OF A RECALL FOR SOME YEARS AND MODELS AND NOT OTHERS IF THE PROBLEM AND PART ARE THE SAME??

Electrical System
Filed Jul 13, 2017750 milesPA

FOR THE 3RD TIME THE CLUSTER HAS GONE OUT. THIS RESULTS IN THE SPEEDOMETER, TEMPERATURE GAUGE AND OTHERS TO STOP WORKING. EACH TIME I AM EXPECTED TO TAKE MY VEHICLE TO A CHEVROLET MECHANIC FOR DIAGNOSIS AND PART REPLACEMENT AT $700.00+ EACH TIME. THIS MODEL HAS NO RECALL. I AM FED UP WITH PAYING THIS MUCH EVERY 3-4 YEARS FOR A DEFECTIVE PART. THERE HAS NEVER BEEN ANY SIGN BEFORE IT GOES OUT.

Electrical System
Filed Mar 16, 2017WI

OUR 2005 CHEVY TRAILBLAZER SPEEDOMETER STOPPED WORKING. THIS HAS HAPPENED ON MANY OF THESE VEHICLES. IT IS A VERY EXPENSIVE FIX AND IT'S A DANGER TO DRIVERS NOT KNOWING HOW FAST THEY ARE TRAVELING.

Fuel/Propulsion System
Filed Dec 28, 2016140,000 milesNE

MY 2005 CHEVY TRAILBLAZER EXT IS LEAKING GAS FROM THE GAS TANK UNDERNEATH THE VEHICLE WHEN THE SUV IS RUNNING.

Engine
Filed Feb 17, 201680,000 milesCA

MY 05 TRAILBLAZER KEEPS SHUTTING OFF WHILE DRIVING DOWN A CITY STREET. IN A 2-MILE STRETCH IT SHUT OFF 5 TIMES WITH COMPLETE LOSS OF STEERING CONTROL ALMOST CAUSING A SERIOUS ACCIDENT. THE VEHICLE TREMBLED AND THEN TURNED OFF. IT HAS SHUT OFF ON ME WHILE DRIVING ON THREE OTHER OCCASIONS ON PREVIOUS YEARS BUT IT ONLY OCCURRED ONCE AND THEN STOPPED ON THOSE OCCASIONS.

Electrical System
Filed Jan 25, 201690,000 milesUT

THERE IS ALREADY A RECALL OUT FOR THE 2006 MODEL YEAR, BUT I KNOW THAT MINE IS PART OF IT. I HAVE A 2005 TRAILBLAZER AND THE HEADLIGHTS KEEP INTERMITTENTLY GOING OUT AS I AM DRIVING DOWN THE ROAD. THIS PROBLEM AS HAPPENED TO ME BEFORE IN THE PAST AND I WAS ABLE TO FINALLY REMEDY THE ISSUE BY REPLACING THE RELAY. THE PROBLEM HAS NOW RETURNED AND I HAVE EVEN BEEN PULLED OVER MULTIPLE TIMES FOR IT. AFTER DOING A QUICK GOOGLE SEARCH TODAY I DISCOVERED THAT THERE ARE TONS!!!!! OF PEOPLE WITH THE SAME ISSUE GOING BACK AS FAR AS 2002. HTTP://WWW.TOPIX.COM/FORUM/AUTOS/CHEVROLET-TRAILBLAZER/T32JTL93I9FKAUF4N HTTP://FORUMS.TRAILVOY.COM/SHOWTHREAD.PHP?T=47492 HTTP://CHEVROLETFORUM.COM/FORUM/TRAILBLAZER-27/2003-TRAILBLAZER-HEADLIGHTS-2588/ I ALSO RAN ACROSS THAT GM HAS ISSUED A RECALL FOR HEADLIGHTS, BUT IT ONLY COVERS YEARS 2006-2008. HTTP://FORTUNE.COM/2014/12/01/GM-RECALLS-316000-VEHICLES-BECAUSE-OF-MALFUNCTIONING-HEADLIGHTS/ CLEARLY!!!! THIS PROBLEM IS NOT LIMITED TO THOSE YEARS AND THERE ARE A LOT OF PEOPLE SUFFERING FROM THE SAME ISSUE OF NOT BEING ABLE TO SEE AT NIGHT.. WHAT DO I NEED TO DO SO THAT I CAN GET THIS PROBLEM TAKEN CARE OF? PLEASE RESPOND QUICKLY AS WINTER IS RAPIDLY APPROACHING AND THIS IS A DAILY DRIVER FOR ME. I GO TO WORK EARLY IN THE MORNING WHEN IT IS DARK AND BY THE TIME I COME HOME AGAIN IT IS ALREADY GETTING DARK. IT WOULD BE NICE TO ACTUALLY BE ABLE TO SEE AS I AM GOING DOWN THE ROAD AND EVEN TO HAVE OTHERS BE ABLE TO SEE ME COMING AS WELL.

Vehicle Speed Control › Accelerator Pedal
Filed Jan 12, 2016190,000 milesGA

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE FAILED TO ACCELERATE WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED ONCE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY HAD FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 190,000.

Electrical System
Filed Nov 6, 2015CA

ELECTRICAL ISSUES:VEHICLE DASHBOARD LIGHTS WILL SHOW DOOR GATE OPEN, DOOM LIGHTS WIL BE ON, RINGING BELL WHEN THE DOOR WOULD BE OPEN AND YET ITS ACTUALLY CLOSED, AS ALL CONTINUES TO GO AT ANY GIVEN TIME WHEN THE VEHICLE IS IN MOVEMENT. SPEED ODOMETER GAGE DOESN'T READ WHEN VEHICLE IS IN MOVEMENT AND THE GAS GAGE DOESN'T READ THE CORRECT LEVEL OF SHOWING HOW MUCH GAS IS IN VEHICLE. THIS IS A BIG SAFETY ISSUES CAUSE IT HAS ME WORRIED OF NOT KNOWING HOW MUCH GAS I HAVE BEFORE IT RUNS OUT OF GAS RISKING MYSELF AND OTHERS BECAUSE VEHICLE ALL OF A SUDDENNESS LOSES SPEED AND SHUTS DOWN.

Electrical System
Filed Oct 1, 2015139,000 milesMA

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE WHEN THERE WAS MOISTURE IN THE AIR, THE DRIVER SIDE MASTER SWITCH FAILED TO OPERATE WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V248000 (ELECTRICAL SYSTEM, VISIBILITY). THE FAILURE MILEAGE WAS 139,000.

Power Train
Filed Aug 7, 2015223,000 milesMO

ON JULY 29, 2015 I EXITED THE FREEWAY, AND SUDDENLY MY 2005 CHEVY TRAILBLAZER EXT 4.2L BEGAN TO STALL AND WOULD NOT PROCEED UPON ACCELERATION. AFTER CALLING THE GM CORPORATE OFFICE, I ASKED IF THERE WAS A POSSIBLE WARRANTY ON THE VEHICLES TRANSMISSION, THEY STATED "NO"... HOWEVER, THE REPRESENTATIVE DID TELL ME THAT MY USED 2005 TRAILBLAZER EXT DID HAVE THE TRANSMISSION REPLACED IN 2007. THIS IS 2 YEARS AFTER THE VEHICLE HIT THE ROAD SPANKING BRAND NEW. THERE HAS TO BE A PROBLEM WITH THE CHEVY TRAILBLAZERS TRANSMISSION. I ENDED UP SPENDING A TOTAL OF $1,600.00 FOR A REBUILT TRANSMISSION. I AM NOW LOOKING TO POSSIBLY TRADE MY TRAILBLAZER IN SOON. LOOKING AT THE COMPLAINTS HERE IN THIS FORUM REGARDING THE FAILURE OF THE CHEVY TRAILBLAZER TRANSMISSION IS RIDICULOUS. GM REFUSES TO OWN UP TO THEIR MISTAKE. IT WOULD BE NICE TO SEE NHTSA GET STRICT WITH AUTOMOTIVE MANUFACTURERS. WHAT WILL IT TAKE BEFORE SOMEONE LISTENS TO THE CONSUMER, A DEATH? THAT COULD HAVE EASILY BEEN MY FATE; LUCKILY, IT HAPPENED WHEN EXITING THE FREEWAY.

Electrical System
Filed Jun 24, 2015126,000 milesMO

MY SPEEDOMETER AND OIL GAUGE JUST QUIT WORKING FOR NO APPARENT REASON AND DOES NOT COME BACK ON UNTIL HOURS LATER.

Exterior Lighting
Filed Jun 23, 2015150,000 milesTN

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING 40 MPH, THE HEADLIGHTS FAILED WITHOUT WARNING. THE CONTACT MENTIONED THAT THE HEADLIGHTS WORK INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 150,000.

Fuel/Propulsion System
Filed Jun 19, 201580,000 milesMI

FUEL GAUGE HAS BEEN READY EMPTY FOR SEVERAL MONTHS. I LOOKED ON INTERNET TO SEE HOW TO FIX OR POSSIBLE PROBLEMS. I NOTICED THERE WAS A LETTER SENT YEARS AGO TO THE AFFECT THAT GM WOULD COVER HALF THE COST TO REPAIR, UP TO 10 YEARS IN SERVICE OR 100,000 MILES. WHEN I CONTACTED DEALER THE CAR WAS IN SERVICE 10 YEARS AND 2 WEEKS AND HAS 84,000 MILES. I WAS INFORMED GM WILL NOT HELP COVER EXPENSE FOR REPAIR DO TO TIME IN SERVICE. I AM QUESTIONING IF THIS COULD BECOME A RECALL OR EXTENDED IN SERVICE DATING FOR THIS PROBLEM.

Electrical System
Filed Feb 26, 201578,000 milesIN

SINCE OCTOBER 2014 THE SPEEDOMETER WOULD RANDOMLY START UP AT DIFFERENT INITIAL POINTS. SOME DAYS IT WOULD START AT 60 MPH, 10MPH AND RECENTLY IT STARTS UP AT 110MPH. WHEN THE VEHICLE IS IN MOTION THE NEEDLE WOULD MOVE WHEN ACCELERATING BUT THE READINGS ARE COMPLETELY INACCURATE. I HAVE READ VARIOUS ONLINE BLOGS OF THIS SAME INCIDENT HAPPENING TO NUMEROUS CHEVY TRAILBLAZERS IN GENERAL. GM DOES NOT HAVE THIS PROBLEM AS A RECALL THEREFORE I WOULD FORMALLY LIKE TO MAKE A COMPLAINT. THANK YOU FOR YOUR TIME. *TR

Seat Belts
Filed Dec 10, 2014125,000 milesCA

STEERING WHEEL MALFUNCTIONS, CAR TURNS OFF WHEN WHEEL IS EXTENDED TOO FAR TO THE LEFT. SEATBELTS FOR LAST ROW OF SEATS DON'T LOCK, RADIO IS STUCK, BUTTONS DON'T CONTROL RADIO PROPERLY. *TR

SteeringCrash1 injured
Filed Nov 26, 2014MS

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE DRIVER WAS TRAVELING APPROXIMATELY 65 MPH, THE POWER STEERING FAILED WITHOUT WARNING. THE VEHICLE WAS SHAKING VIOLENTLY MAKING IT EXTREMELY DIFFICULT FOR THE CONTACT TO CONTROL THE STEERING WHEEL. THE CONTACT STATED THAT THE DRIVER LOST CONTROL OF THE VEHICLE WHILE IT WAS SWAYING BACK AND FORTH, THE STEERING WHEEL LOCKED. THE VEHICLE CRASHED INTO A MEDIAN AND THE VEHICLE ROLLED OVER MORE THAN TWICE. THE DRIVER SUSTAINED MAJOR INJURIES IN WHICH THE INDEX FINGER ON THE LEFT HAND HAD TO BE SURGICALLY ADJUSTED AND ALSO THE THUMB WAS LACERATED DUE TO THE IMPACT OF THE CRASH. THE CONTACT WAS RECEIVING FURTHER MEDICAL ATTENTION DUE TO THE SEVERITY OF THE CRASH. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS NOT AVAILABLE.

20 of 237 complaints, reproduced as filed.

Across model years

Worst on record: 2005
YearComplaintsRecallsFiresDeathsAssessment
200616020Routine
2005 — this page237010Above average
200415000Routine
200314000Routine
20026010Routine

Compare every Trailblazer EXT 370 year →

Reading this record

Complaint volume is well above typical for a single model year.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.